code: def __init__(self, clip):
      self.clip = clip
  
file_path: moviepy/tests/test_compositing.py
imports: import os
  import numpy
  import pytest
  from moviepy.video.compositing.CompositeVideoClip import CompositeVideoClip, clips_array
  from moviepy.video.compositing.concatenate import concatenate_videoclips
  from moviepy.video.compositing.transitions import slide_in, slide_out
  from moviepy.video.fx.resize import resize
  from moviepy.video.VideoClip import BitmapClip, ColorClip
label_desc: Use image node_id 1 to create a new ClipPixelTest object  with example: obj = ClipPixelTest(clip)